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From: Andrew Morton <akpm@osdl.org>
To: Thomas Sailer <sailer@scs.ch>
Cc: torvalds@osdl.org, the3dfxdude@gmail.com, mh@codeweavers.com,
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Subject: Re: ptrace single-stepping change breaks Wine
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Thomas Sailer <sailer@scs.ch> wrote:
>
> Another pointer towards flexible mmap is that ulimit -s unlimited makes
> it work under 2.6.10-ac1 too.
> 

You can globally disable flex-mmap with

	echo 1 > /proc/sys/vm/legacy_va_layout

Does it fix things?